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All the cyclohexane rings adopt chair conformations and the cyclopentane ring adopts a twisted envelope conformation, with the C atom bearing the tosylmethyl substituent forming the flap. In the crystal, molecules form a three-dimensional network through multiple weak C\u2014H...O hydrogen bonds.<\/jats:p>","DOI":"10.1107\/s1600536814016602","type":"journal-article","created":{"date-parts":[[2014,7,22]],"date-time":"2014-07-22T08:07:33Z","timestamp":1406016453000},"page":"o879-o880","update-policy":"https:\/\/doi.org\/10.1107\/cm_01","source":"Crossref","is-referenced-by-count":1,"title":["Betulin 3,28-di-<i>O<\/i>-tosylate"],"prefix":"10.1107","volume":"70","author":[{"given":"Uldis","family":"Peipi\u0146\u0161","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Niks","family":"Freimanis","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dmitrijs","family":"Stepanovs","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anatoly","family":"Mishnev","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M\u0101ris","family":"Turks","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"329","published-online":{"date-parts":[[2014,7,23]]},"reference":[{"key":"fy2116_bb1","first-page":"1699","author":"Abbot","year":"1958","journal-title":"J. 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